STM32CUBEIDE新建得STM32G030项目,为啥不能用Printf函数!

printf函数出不来,调试运行到Printf会直接跳过去!

以下是工程代码!

/* USER CODE BEGIN Header */

/**

  ******************************************************************************

  * @file           : main.c

  * @brief          : Main program body

  ******************************************************************************

  * @attention

  *

  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.

  * All rights reserved.</center></h2>

  *

  * This software component is licensed by ST under BSD 3-Clause license,

  * the "License"; You may not use this file except in compliance with the

  * License. You may obtain a copy of the License at:

  *                        opensource.org/licenses/BSD-3-Clause

  *

  ******************************************************************************

  */

/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/

#include "main.h"


/* Private includes ----------------------------------------------------------*/

/* USER CODE BEGIN Includes */

#include "stdio.h"

/* USER CODE END Includes */


/* Private typedef -----------------------------------------------------------*/

/* USER CODE BEGIN PTD */


// 重定向printf start

////_write函數在syscalls.c中, 使用__weak定義, 所以可以直接在其他文件中定義_write函數

//__attribute__((weak)) int _write(int file, char *ptr, int len)

//{

// if(HAL_UART_Transmit(&huart2,ptr,len,0xffff) != HAL_OK)

// {

// Error_Handler();

// }

//}


/* USER CODE END PTD */


/* Private define ------------------------------------------------------------*/

/* USER CODE BEGIN PD */




/* USER CODE END PD */


/* Private macro -------------------------------------------------------------*/

/* USER CODE BEGIN PM */


/* USER CODE END PM */


/* Private variables ---------------------------------------------------------*/

ADC_HandleTypeDef hadc1;

DMA_HandleTypeDef hdma_adc1;


CRC_HandleTypeDef hcrc;


I2C_HandleTypeDef hi2c1;


IWDG_HandleTypeDef hiwdg;


TIM_HandleTypeDef htim3;


UART_HandleTypeDef huart1;

UART_HandleTypeDef huart2;

DMA_HandleTypeDef hdma_usart1_tx;

DMA_HandleTypeDef hdma_usart1_rx;


/* USER CODE BEGIN PV */


/* USER CODE END PV */


/* Private function prototypes -----------------------------------------------*/

void SystemClock_Config(void);

static void MX_GPIO_Init(void);

static void MX_DMA_Init(void);

static void MX_USART1_UART_Init(void);

static void MX_ADC1_Init(void);

static void MX_I2C1_Init(void);

static void MX_USART2_UART_Init(void);

static void MX_IWDG_Init(void);

static void MX_CRC_Init(void);

static void MX_TIM3_Init(void);

/* USER CODE BEGIN PFP */


/* USER CODE END PFP */


/* Private user code ---------------------------------------------------------*/

/* USER CODE BEGIN 0 */

static uint32_t fac_us=17;



#ifdef __GNUC__

  /* With GCC, small printf (option LD Linker->Libraries->Small printf

     set to 'Yes') calls __io_putchar() */

  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)

#else

  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)

#endif /* __GNUC__ */


PUTCHAR_PROTOTYPE

{

  HAL_UART_Transmit(&huart2, (uint8_t *)&ch, 1, 0xFFFF);


  return ch;

}


/* USER CODE END 0 */


/**

  * @brief  The application entry point.

  * @retval int

  */

int main(void)

{

  /* USER CODE BEGIN 1 */


  /* USER CODE END 1 */


  /* MCU Configuration--------------------------------------------------------*/


  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */

  HAL_Init();


  /* USER CODE BEGIN Init */


  /* USER CODE END Init */


  /* Configure the system clock */

  SystemClock_Config();


  /* USER CODE BEGIN SysInit */


  /* USER CODE END SysInit */


  /* Initialize all configured peripherals */

  MX_GPIO_Init();

  MX_DMA_Init();

  MX_USART1_UART_Init();

  MX_ADC1_Init();

  MX_I2C1_Init();

  MX_USART2_UART_Init();

  MX_IWDG_Init();

  MX_CRC_Init();

  MX_TIM3_Init();

  /* USER CODE BEGIN 2 */


  /* USER CODE END 2 */


  /* Infinite loop */

  /* USER CODE BEGIN WHILE */

  while (1)

  {

    /* USER CODE END WHILE */


    /* USER CODE BEGIN 3 */

  printf("123456");

  HAL_GPIO_WritePin(WARN_GPIO_Port, WARN_Pin,GPIO_PIN_SET);

  delay_ms(1000);

  HAL_GPIO_WritePin(WARN_GPIO_Port, WARN_Pin,GPIO_PIN_RESET);

  delay_ms(1000);

  delay_us(1);


  }

  /* USER CODE END 3 */

}


/**

  * @brief System Clock Configuration

  * @retval None

  */

void SystemClock_Config(void)

{

  RCC_OscInitTypeDef RCC_OscInitStruct = {0};

  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};


  /** Configure the main internal regulator output voltage

  */

  HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);

  /** Initializes the RCC Oscillators according to the specified parameters

  * in the RCC_OscInitTypeDef structure.

  */

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;

  RCC_OscInitStruct.HSEState = RCC_HSE_ON;

  RCC_OscInitStruct.LSIState = RCC_LSI_ON;

  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

  RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;

  RCC_OscInitStruct.PLL.PLLN = 12;

  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV6;

  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV3;

  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)

  {

    Error_Handler();

  }

  /** Initializes the CPU, AHB and APB buses clocks

  */

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK

                              |RCC_CLOCKTYPE_PCLK1;

  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;

  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV2;

  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;


  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)

  {

    Error_Handler();

  }

  /** Initializes the peripherals clocks

  */

  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_I2C1

                              |RCC_PERIPHCLK_ADC;

  PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;

  PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_PCLK1;

  PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_PLLADC;

  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)

  {

    Error_Handler();

  }

}


/**

  * @brief ADC1 Initialization Function

  * @param None

  * @retval None

  */

static void MX_ADC1_Init(void)

{


  /* USER CODE BEGIN ADC1_Init 0 */


  /* USER CODE END ADC1_Init 0 */


  ADC_AnalogWDGConfTypeDef AnalogWDGConfig = {0};

  ADC_ChannelConfTypeDef sConfig = {0};


  /* USER CODE BEGIN ADC1_Init 1 */


  /* USER CODE END ADC1_Init 1 */

  /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)

  */

  hadc1.Instance = ADC1;

  hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;

  hadc1.Init.Resolution = ADC_RESOLUTION_12B;

  hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;

  hadc1.Init.ScanConvMode = ADC_SCAN_ENABLE;

  hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;

  hadc1.Init.LowPowerAutoWait = DISABLE;

  hadc1.Init.LowPowerAutoPowerOff = DISABLE;

  hadc1.Init.ContinuousConvMode = DISABLE;

  hadc1.Init.NbrOfConversion = 3;

  hadc1.Init.DiscontinuousConvMode = DISABLE;

  hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;

  hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;

  hadc1.Init.DMAContinuousRequests = DISABLE;

  hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;

  hadc1.Init.SamplingTimeCommon1 = ADC_SAMPLETIME_7CYCLES_5;

  hadc1.Init.SamplingTimeCommon2 = ADC_SAMPLETIME_7CYCLES_5;

  hadc1.Init.OversamplingMode = ENABLE;

  hadc1.Init.Oversampling.Ratio = ADC_OVERSAMPLING_RATIO_64;

  hadc1.Init.Oversampling.RightBitShift = ADC_RIGHTBITSHIFT_3;

  hadc1.Init.Oversampling.TriggeredMode = ADC_TRIGGEREDMODE_SINGLE_TRIGGER;

  hadc1.Init.TriggerFrequencyMode = ADC_TRIGGER_FREQ_HIGH;

  if (HAL_ADC_Init(&hadc1) != HAL_OK)

  {

    Error_Handler();

  }

  /** Configure Analog WatchDog 1

  */

  AnalogWDGConfig.WatchdogNumber = ADC_ANALOGWATCHDOG_1;

  AnalogWDGConfig.WatchdogMode = ADC_ANALOGWATCHDOG_SINGLE_REG;

  AnalogWDGConfig.Channel = ADC_CHANNEL_5;

  AnalogWDGConfig.ITMode = DISABLE;

  AnalogWDGConfig.HighThreshold = 0;

  AnalogWDGConfig.LowThreshold = 0;

  if (HAL_ADC_AnalogWDGConfig(&hadc1, &AnalogWDGConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /** Configure Regular Channel

  */

  sConfig.Channel = ADC_CHANNEL_5;

  sConfig.Rank = ADC_REGULAR_RANK_1;

  sConfig.SamplingTime = ADC_SAMPLINGTIME_COMMON_1;

  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /** Configure Regular Channel

  */

  sConfig.Channel = ADC_CHANNEL_6;

  sConfig.Rank = ADC_REGULAR_RANK_2;

  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /** Configure Regular Channel

  */

  sConfig.Channel = ADC_CHANNEL_8;

  sConfig.Rank = ADC_REGULAR_RANK_3;

  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN ADC1_Init 2 */


  /* USER CODE END ADC1_Init 2 */


}


/**

  * @brief CRC Initialization Function

  * @param None

  * @retval None

  */

static void MX_CRC_Init(void)

{


  /* USER CODE BEGIN CRC_Init 0 */


  /* USER CODE END CRC_Init 0 */


  /* USER CODE BEGIN CRC_Init 1 */


  /* USER CODE END CRC_Init 1 */

  hcrc.Instance = CRC;

  hcrc.Init.DefaultPolynomialUse = DEFAULT_POLYNOMIAL_DISABLE;

  hcrc.Init.DefaultInitValueUse = DEFAULT_INIT_VALUE_DISABLE;

  hcrc.Init.GeneratingPolynomial = 16387;

  hcrc.Init.CRCLength = CRC_POLYLENGTH_16B;

  hcrc.Init.InitValue = 0xffff;

  hcrc.Init.InputDataInversionMode = CRC_INPUTDATA_INVERSION_NONE;

  hcrc.Init.OutputDataInversionMode = CRC_OUTPUTDATA_INVERSION_DISABLE;

  hcrc.InputDataFormat = CRC_INPUTDATA_FORMAT_BYTES;

  if (HAL_CRC_Init(&hcrc) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN CRC_Init 2 */


  /* USER CODE END CRC_Init 2 */


}


/**

  * @brief I2C1 Initialization Function

  * @param None

  * @retval None

  */

static void MX_I2C1_Init(void)

{


  /* USER CODE BEGIN I2C1_Init 0 */


  /* USER CODE END I2C1_Init 0 */


  /* USER CODE BEGIN I2C1_Init 1 */


  /* USER CODE END I2C1_Init 1 */

  hi2c1.Instance = I2C1;

  hi2c1.Init.Timing = 0x00303D5B;

  hi2c1.Init.OwnAddress1 = 0;

  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;

  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;

  hi2c1.Init.OwnAddress2 = 0;

  hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;

  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;

  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;

  if (HAL_I2C_Init(&hi2c1) != HAL_OK)

  {

    Error_Handler();

  }

  /** Configure Analogue filter

  */

  if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)

  {

    Error_Handler();

  }

  /** Configure Digital filter

  */

  if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN I2C1_Init 2 */


  /* USER CODE END I2C1_Init 2 */


}


/**

  * @brief IWDG Initialization Function

  * @param None

  * @retval None

  */

static void MX_IWDG_Init(void)

{


  /* USER CODE BEGIN IWDG_Init 0 */


  /* USER CODE END IWDG_Init 0 */


  /* USER CODE BEGIN IWDG_Init 1 */


  /* USER CODE END IWDG_Init 1 */

  hiwdg.Instance = IWDG;

  hiwdg.Init.Prescaler = IWDG_PRESCALER_32;

  hiwdg.Init.Window = 4095;

  hiwdg.Init.Reload = 4095;

  if (HAL_IWDG_Init(&hiwdg) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN IWDG_Init 2 */


  /* USER CODE END IWDG_Init 2 */


}


/**

  * @brief TIM3 Initialization Function

  * @param None

  * @retval None

  */

static void MX_TIM3_Init(void)

{


  /* USER CODE BEGIN TIM3_Init 0 */


  /* USER CODE END TIM3_Init 0 */


  TIM_ClockConfigTypeDef sClockSourceConfig = {0};

  TIM_MasterConfigTypeDef sMasterConfig = {0};


  /* USER CODE BEGIN TIM3_Init 1 */


  /* USER CODE END TIM3_Init 1 */

  htim3.Instance = TIM3;

  htim3.Init.Prescaler = 6400-1;

  htim3.Init.CounterMode = TIM_COUNTERMODE_UP;

  htim3.Init.Period = 2500-1;

  htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

  htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;

  if (HAL_TIM_Base_Init(&htim3) != HAL_OK)

  {

    Error_Handler();

  }

  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;

  if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)

  {

    Error_Handler();

  }

  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;

  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;

  if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN TIM3_Init 2 */


  /* USER CODE END TIM3_Init 2 */


}


/**

  * @brief USART1 Initialization Function

  * @param None

  * @retval None

  */

static void MX_USART1_UART_Init(void)

{


  /* USER CODE BEGIN USART1_Init 0 */


  /* USER CODE END USART1_Init 0 */


  /* USER CODE BEGIN USART1_Init 1 */


  /* USER CODE END USART1_Init 1 */

  huart1.Instance = USART1;

  huart1.Init.BaudRate = 115200;

  huart1.Init.WordLength = UART_WORDLENGTH_8B;

  huart1.Init.StopBits = UART_STOPBITS_1;

  huart1.Init.Parity = UART_PARITY_NONE;

  huart1.Init.Mode = UART_MODE_TX_RX;

  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;

  huart1.Init.OverSampling = UART_OVERSAMPLING_16;

  huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;

  huart1.Init.ClockPrescaler = UART_PRESCALER_DIV1;

  huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;

  if (HAL_UART_Init(&huart1) != HAL_OK)

  {

    Error_Handler();

  }

  if (HAL_UARTEx_SetTxFifoThreshold(&huart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)

  {

    Error_Handler();

  }

  if (HAL_UARTEx_SetRxFifoThreshold(&huart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)

  {

    Error_Handler();

  }

  if (HAL_UARTEx_DisableFifoMode(&huart1) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN USART1_Init 2 */


  /* USER CODE END USART1_Init 2 */


}


/**

  * @brief USART2 Initialization Function

  * @param None

  * @retval None

  */

static void MX_USART2_UART_Init(void)

{


  /* USER CODE BEGIN USART2_Init 0 */


  /* USER CODE END USART2_Init 0 */


  /* USER CODE BEGIN USART2_Init 1 */


  /* USER CODE END USART2_Init 1 */

  huart2.Instance = USART2;

  huart2.Init.BaudRate = 115200;

  huart2.Init.WordLength = UART_WORDLENGTH_8B;

  huart2.Init.StopBits = UART_STOPBITS_1;

  huart2.Init.Parity = UART_PARITY_NONE;

  huart2.Init.Mode = UART_MODE_TX_RX;

  huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;

  huart2.Init.OverSampling = UART_OVERSAMPLING_16;

  huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;

  huart2.Init.ClockPrescaler = UART_PRESCALER_DIV1;

  huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;

  if (HAL_UART_Init(&huart2) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN USART2_Init 2 */


  /* USER CODE END USART2_Init 2 */


}


/**

  * Enable DMA controller clock

  */

static void MX_DMA_Init(void)

{


  /* DMA controller clock enable */

  __HAL_RCC_DMA1_CLK_ENABLE();


  /* DMA interrupt init */

  /* DMA1_Channel1_IRQn interrupt configuration */

  HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 1, 0);

  HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);

  /* DMA1_Channel2_3_IRQn interrupt configuration */

  HAL_NVIC_SetPriority(DMA1_Channel2_3_IRQn, 0, 0);

  HAL_NVIC_EnableIRQ(DMA1_Channel2_3_IRQn);


}


/**

  * @brief GPIO Initialization Function

  * @param None

  * @retval None

  */

static void MX_GPIO_Init(void)

{

  GPIO_InitTypeDef GPIO_InitStruct = {0};


  /* GPIO Ports Clock Enable */

  __HAL_RCC_GPIOF_CLK_ENABLE();

  __HAL_RCC_GPIOA_CLK_ENABLE();

  __HAL_RCC_GPIOB_CLK_ENABLE();

  __HAL_RCC_GPIOD_CLK_ENABLE();


  /*Configure GPIO pin Output Level */

  HAL_GPIO_WritePin(RUN_GPIO_Port, RUN_Pin, GPIO_PIN_RESET);


  /*Configure GPIO pin Output Level */

  HAL_GPIO_WritePin(WARN_GPIO_Port, WARN_Pin, GPIO_PIN_RESET);


  /*Configure GPIO pin : RUN_Pin */

  GPIO_InitStruct.Pin = RUN_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

  HAL_GPIO_Init(RUN_GPIO_Port, &GPIO_InitStruct);


  /*Configure GPIO pins : ADDR1_Pin ADDR2_Pin ADDR3_Pin ADDR4_Pin */

  GPIO_InitStruct.Pin = ADDR1_Pin|ADDR2_Pin|ADDR3_Pin|ADDR4_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;

  GPIO_InitStruct.Pull = GPIO_PULLUP;

  HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);


  /*Configure GPIO pins : VERSION1_Pin VERSION2_Pin */

  GPIO_InitStruct.Pin = VERSION1_Pin|VERSION2_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;

  GPIO_InitStruct.Pull = GPIO_PULLUP;

  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);


  /*Configure GPIO pin : WARN_Pin */

  GPIO_InitStruct.Pin = WARN_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

  HAL_GPIO_Init(WARN_GPIO_Port, &GPIO_InitStruct);


}


/* USER CODE BEGIN 4 */



/* USER CODE BEGIN 4 */

//延时nus

//nus为要延时的us数.

//nus:0~190887435(最大值即2^32/fac_us@fac_us=22.5)

void delay_us(uint32_t nus)

{

uint32_t ticks;

uint32_t told,tnow,tcnt=0;

uint32_t reload=SysTick->LOAD; //LOAD的值

ticks=nus*fac_us; //需要的节拍数

told=SysTick->VAL;        //刚进入时的计数器值

while(1)

{

tnow=SysTick->VAL;

if(tnow!=told)

{

if(tnow<told)tcnt+=told-tnow; //这里注意一下SYSTICK是一个递减的计数器就可以了.

else tcnt+=reload-tnow+told;

told=tnow;

if(tcnt>=ticks)break; //时间超过/等于要延迟的时间,则退出.

}

};

}


//延时nms

//nms:要延时的ms数

void delay_ms(uint16_t nms)

{

uint32_t i;

for(i=0;i<nms;i++) delay_us(1000);

}



/* USER CODE END 4 */


/**

  * @brief  This function is executed in case of error occurrence.

  * @retval None

  */

void Error_Handler(void)

{

  /* USER CODE BEGIN Error_Handler_Debug */

  /* User can add his own implementation to report the HAL error return state */


  /* USER CODE END Error_Handler_Debug */

}


#ifdef  USE_FULL_ASSERT

/**

  * @brief  Reports the name of the source file and the source line number

  *         where the assert_param error has occurred.

  * @param  file: pointer to the source file name

  * @param  line: assert_param error line source number

  * @retval None

  */

void assert_failed(uint8_t *file, uint32_t line)

{

  /* USER CODE BEGIN 6 */

  /* User can add his own implementation to report the file name and line number,

     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* USER CODE END 6 */

}

#endif /* USE_FULL_ASSERT */


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/


已邀请:

斯蒂芬

赞同来自:

终于找到问题了,CDT编译器一直设置的是外部编译器,需要改成内部的就可以了!找了差不多一个星期。。。

要回复问题请先登录注册